/* ===== MST Startup Builder — Modernist design system ===== */

@font-face{font-family:'Archivo';font-style:normal;font-weight:400 800;font-display:swap;src:url("fonts/archivo-vietnamese.woff2") format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;}
@font-face{font-family:'Archivo';font-style:normal;font-weight:400 800;font-display:swap;src:url("fonts/archivo-latin-ext.woff2") format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Archivo';font-style:normal;font-weight:400 800;font-display:swap;src:url("fonts/archivo-latin.woff2") format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}

:root{
  --color-neutral-100:#f8f4f4; --color-neutral-200:#eae7e7; --color-neutral-300:#d7d3d3; --color-neutral-400:#bab6b6;
  --color-neutral-500:#9b9797; --color-neutral-600:#7d7979; --color-neutral-700:#605d5d; --color-neutral-800:#444141; --color-neutral-900:#2d2b2b;
  --color-accent:#ec3013; --color-accent-500:#ff563c; --color-accent-600:#dd2b0f; --color-accent-700:#ae1800;
  --bg: #f3f2f2;
  --panel: #eae9e9;
  --card: #ffffff;
  --border: #d7d3d3;
  --border-strong: #201e1d;
  --text: #201e1d;
  --text-dim: #605d5d;
  --text-faint: #7d7979;
  --accent: #ec3013;
  --accent-bg: #ffe0d9;
  --amber: #b9791a;
  --amber-bg: #fbf0dd;
  --red: #ec3013;
  --red-bg: #ffe0d9;
  --radius: 0px;
  --sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:14px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

::selection{ background:var(--accent); color:#fff; }

a{ color:var(--text); text-decoration:none; }

/* ---------- topbar ---------- */
.topbar{
  height:64px;
  display:flex;
  align-items:center;
  gap:32px;
  padding:0 28px;
  border-bottom:1px solid var(--border);
  background:var(--card);
  position:sticky;
  top:0;
  z-index:20;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ height:28px; width:auto; display:block; }
.brand-name{ font-size:14px; font-weight:700; color:var(--text); }

.topnav{ display:flex; gap:24px; flex:1; }
.topnav-link{ font-size:13px; color:var(--text-dim); font-weight:500; }
.topnav-link.active{ color:var(--accent); font-weight:700; }
.topnav-link:hover{ color:var(--text); }

.topbar-right{ display:flex; align-items:center; gap:14px; }
.progress-pill{
  font-size:12px;
  font-weight:600;
  color:var(--text-dim);
  border:1px solid var(--border);
  padding:6px 12px;
  border-radius:20px;
  background:var(--panel);
}
.btn-ghost{
  background:transparent;
  border:none;
  color:var(--text-dim);
  font-family:var(--sans);
  font-size:13px;
  font-weight:600;
  padding:6px 4px;
  cursor:pointer;
}
.btn-ghost:hover{ color:var(--accent); }

/* ---------- shell layout ---------- */
.shell{
  display:grid;
  grid-template-columns:280px 1fr;
  min-height:calc(100vh - 64px);
}
@media (max-width: 860px){
  .shell{ grid-template-columns:1fr; }
  .rail{ border-right:none; border-bottom:1px solid var(--border); }
}

/* ---------- rail / stepper ---------- */
.rail{
  border-right:1px solid var(--border);
  background:var(--card);
  display:flex;
  flex-direction:column;
}
.rail-head{
  font-size:11px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--text-faint);
  padding:20px 20px 12px;
}
.stepper{ display:flex; flex-direction:column; }

.step{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 20px;
  border-top:1px solid var(--border);
  cursor:default;
  position:relative;
}
.step.clickable{ cursor:pointer; }
.step.clickable:hover{ background:var(--panel); }
.step.current{ background:var(--panel); box-shadow: inset 3px 0 0 var(--accent); }
.step.pending_review{ background:var(--panel); box-shadow: inset 3px 0 0 var(--amber); }

.step-marker{
  width:26px; height:26px;
  border-radius:50%;
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-size:12px;
  font-weight:700;
  flex-shrink:0;
  margin-top:1px;
  background:var(--card);
  color:var(--text-faint);
}
.step.done .step-marker{ background:var(--text); border-color:var(--text); color:#fff; }
.step.current .step-marker{ border-color:var(--accent); color:var(--accent); background:var(--card); }
.step.pending_review .step-marker{ border-color:var(--amber); color:var(--amber); background:var(--card); }
.step.locked .step-marker{ color:var(--text-faint); }

.step-body{ display:flex; flex-direction:column; min-width:0; }
.step-title{ font-size:13px; color:var(--text); font-weight:700; }
.step.locked .step-title{ color:var(--text-faint); font-weight:600; }
.step-sub{ font-size:11.5px; color:var(--text-faint); margin-top:2px; text-transform:uppercase; letter-spacing:.03em; }
.step.current .step-sub{ color:var(--accent); font-weight:600; }
.step.pending_review .step-sub{ color:var(--amber); font-weight:600; }
.step.done .step-sub{ color:var(--text-dim); }

.rail-foot{ margin-top:auto; padding:18px 20px; border-top:1px solid var(--border); }
.rail-label{ font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--text-faint); margin-bottom:6px; }
.rail-hint{ font-size:13px; color:var(--text); font-weight:600; line-height:1.5; }

.badges-row{ display:flex; flex-wrap:wrap; gap:6px; margin-top:10px; }
.badge-chip{
  display:flex; align-items:center; gap:5px;
  background:var(--panel);
  border:1px solid var(--border);
  color:var(--text);
  font-size:11px;
  font-weight:600;
  padding:4px 9px;
  border-radius:20px;
}
.badge-chip .badge-dot{ width:5px; height:5px; border-radius:50%; background:var(--accent); }

/* ---------- main ---------- */
.main{ padding:36px 44px; max-width:920px; }
@media (max-width: 640px){ .main{ padding:20px; } }

.eyebrow{
  font-size:11.5px;
  font-weight:700;
  color:var(--accent);
  text-transform:uppercase;
  letter-spacing:.06em;
  margin-bottom:8px;
}
h1.page-title{
  font-size:30px;
  font-weight:800;
  margin:0 0 8px;
  letter-spacing:-.02em;
}
.page-desc{ color:var(--text-dim); font-size:14px; margin-bottom:28px; max-width:60ch; }

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  margin-bottom:16px;
}
.card-title{ font-size:15px; font-weight:700; margin-bottom:14px; display:flex; align-items:center; gap:10px; }

/* horizontal stats bar — sits under the level strip, full width, no
   leftover blank space the way a mismatched two-column layout would leave */
.stats-bar{
  display:flex;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--card);
  margin-bottom:20px;
  overflow:hidden;
}
.stats-cell{
  flex:1;
  padding:16px 20px;
  border-right:1px solid var(--border);
}
.stats-cell:last-child{ border-right:none; }
.stats-label{ font-size:11.5px; color:var(--text-dim); margin-bottom:6px; }
.stats-value{ font-size:18px; font-weight:800; }
.stats-value-unit{ font-size:12px; font-weight:600; color:var(--text-faint); }
.status-row-value{ font-weight:800; font-size:18px; }
.status-row-value.accent{ color:var(--accent); }
.status-row-value.amber{ color:var(--amber); }

/* status badges */
.badge{
  font-size:10.5px;
  font-weight:700;
  padding:3px 10px;
  border-radius:20px;
  text-transform:uppercase;
  letter-spacing:.03em;
}
.badge-locked{ background:var(--panel); color:var(--text-faint); border:1px solid var(--border); }
.badge-current{ background:var(--accent-bg); color:var(--accent); border:1px solid transparent; }
.badge-pending{ background:var(--amber-bg); color:var(--amber); border:1px solid transparent; }
.badge-done{ background:var(--text); color:#fff; border:1px solid transparent; }

/* level number strip (numbered cards, like the reference) */
.level-strip{ display:grid; grid-template-columns:repeat(7, 1fr); border:1px solid var(--border); margin-bottom:28px; border-radius:var(--radius); overflow:hidden; }
.level-tile{ padding:16px 14px; border-right:1px solid var(--border); border-top:3px solid transparent; }
.level-tile:last-child{ border-right:none; }
.level-tile.current{ background:var(--panel); border-top-color:var(--accent); }
.level-tile.done{ border-top-color:var(--text); }
.level-tile-top{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:14px; }
.level-tile-num{ font-size:22px; font-weight:800; color:var(--text-faint); }
.level-tile.done .level-tile-num,
.level-tile.current .level-tile-num{ color:var(--text); }
.level-tile.current .level-tile-num{ color:var(--accent); }
.level-tile-name{ font-size:13px; font-weight:700; }
.level-tile-status{ font-size:11px; color:var(--text-faint); margin-top:2px; }

/* projects directory */
.directory-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(280px, 1fr)); gap:16px; }
.directory-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
}
.directory-card-title{ font-size:16px; font-weight:800; margin-bottom:4px; }
.directory-card-sub{ font-size:12.5px; color:var(--text-dim); margin-bottom:16px; }
.directory-card-row{ display:flex; justify-content:space-between; align-items:center; padding-top:14px; border-top:1px solid var(--border); }
.directory-card-level{ font-size:12.5px; font-weight:700; }
.directory-card-progress{ font-size:11.5px; color:var(--text-faint); }
.directory-empty{ color:var(--text-faint); font-size:13px; padding:40px 0; text-align:center; }

/* 3D checkpoint scenes (pure CSS 3D; engine in app.js) */
.iso-stage{
  position:relative; display:flex; align-items:center; justify-content:center;
  perspective:1700px; overflow:hidden; cursor:grab;
}
.iso-scene-wrap{ position:relative; width:360px; height:360px; flex:none; transform-style:preserve-3d; }

/* auth screens: form left, checkpoint visual right (full-bleed, like the design) */
.main.auth-mode{ padding:0; max-width:none; display:flex; flex-wrap:wrap; }
.auth-form{ flex:1 1 520px; max-width:900px; padding:36px 44px; }
.auth-visual{
  flex:1 1 440px; min-width:0; border-left:2px solid color-mix(in srgb, var(--text) 40%, transparent);
  display:grid; grid-template-rows:auto minmax(320px,1fr) auto; background:var(--bg);
  position:sticky; top:64px; align-self:flex-start; height:calc(100vh - 64px);
}
.vis-head{ padding:36px 40px 0; display:grid; grid-template-columns:minmax(0,1fr) auto; gap:16px; align-items:end; }
.vis-kicker{ font-size:12px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:#ae1800; margin-bottom:10px; }
.vis-title{ font-size:56px; font-weight:800; line-height:1; letter-spacing:-.03em; }
.vis-big{ font-size:88px; font-weight:800; line-height:.8; letter-spacing:-.05em; color:var(--accent); }
.vis-stage{ margin:24px 40px 0; border-top:2px solid color-mix(in srgb, var(--text) 40%, transparent); border-bottom:2px solid color-mix(in srgb, var(--text) 40%, transparent); }
.vis-cap, .vis-status{ position:absolute; bottom:12px; font-size:12px; color:#605d5d; letter-spacing:.04em; }
.vis-cap{ left:0; } .vis-status{ right:0; }
.vis-controls{ padding:20px 40px 32px; display:flex; align-items:center; gap:16px; flex-wrap:wrap; }
.vis-arrow{ width:36px; height:36px; display:grid; place-items:center; background:transparent; border:1px solid color-mix(in srgb, var(--text) 40%, transparent); cursor:pointer; color:var(--text); }
.vis-arrow:hover{ background:color-mix(in srgb, var(--text) 7%, transparent); }
.vis-dots{ display:flex; gap:6px; }
.vis-dot{ width:22px; height:8px; padding:0; cursor:pointer; border:1.5px solid var(--text); background:transparent; }
.vis-dot.past{ background:var(--text); }
.vis-dot.on{ background:var(--accent); border-color:var(--accent); }
.vis-pos{ margin-left:auto; font-size:13px; color:#605d5d; }
.step.previewing{ background:var(--border); box-shadow: inset 4px 0 0 var(--accent); }

/* compact strip version for level pages */
.iso-strip{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:8px 24px; margin-bottom:20px;
}
.iso-strip-label{ font-size:12.5px; color:var(--text-dim); }
.iso-strip-value{ font-size:20px; font-weight:800; margin-top:2px; }
.iso-scene-sm{ width:220px; height:170px; flex-shrink:0; }
@media (max-width: 820px){ .auth-visual{ display:none; } .auth-form{ padding:24px 20px; } }

/* payment / QR */
.pay-grid{ display:flex; gap:28px; flex-wrap:wrap; align-items:flex-start; }
.qr-box{
  background:#fff;
  padding:12px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  width:176px; height:176px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.pay-info{ flex:1; min-width:220px; }
.pay-steps{ font-size:13px; color:var(--text-dim); padding-left:18px; margin:0; }
.pay-steps li{ margin-bottom:6px; }

/* forms */
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:13px; font-weight:600; color:var(--text); margin-bottom:7px; }
.field label .req{ color:var(--accent); }
.field input[type=text], .field input[type=url], .field input[type=password], .field input[type=email], .field textarea{
  width:100%;
  background:var(--panel);
  border:1px solid color-mix(in srgb, var(--text) 40%, transparent);
  color:var(--text);
  font-family:var(--sans);
  font-size:13.5px;
  padding:10px 12px;
  min-height:40px;
  border-radius:var(--radius);
  outline:none;
  resize:vertical;
}
.field input:focus, .field textarea:focus{ border-color:var(--accent); }
.field-hint{ font-size:11.5px; color:var(--text-faint); margin-top:6px; }

.checklist{ display:flex; flex-direction:column; margin:16px 0 4px; }
.check-item{
  display:flex; align-items:center; gap:12px; cursor:pointer; font-size:13.5px;
  padding:11px 0; border-top:1px solid var(--border);
}
.check-item:first-child{ border-top:none; }
.check-item input[type=checkbox]{
  appearance:none;
  width:18px; height:18px;
  border:1px solid var(--border-strong);
  border-radius:3px;
  background:#fff;
  flex-shrink:0;
  cursor:pointer;
  position:relative;
}
.check-item input[type=checkbox]:checked{ background:var(--text); border-color:var(--text); }
.check-item input[type=checkbox]:checked::after{
  content:"";
  position:absolute; left:5px; top:1px;
  width:6px; height:11px;
  border:solid #fff;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.check-item span{ color:var(--text); }

.btn-primary{
  background:var(--text);
  color:#fff;
  border:none;
  font-family:var(--sans);
  font-weight:700;
  font-size:13.5px;
  padding:12px 22px;
  border-radius:var(--radius);
  cursor:pointer;
}
.btn-primary:hover{ background:var(--accent); }
.btn-primary:disabled{ background:var(--border); color:var(--text-faint); cursor:not-allowed; }

.btn-secondary{
  background:transparent;
  border:1px solid var(--border-strong);
  color:var(--text);
  font-family:var(--sans);
  font-weight:600;
  font-size:13.5px;
  padding:11px 20px;
  border-radius:var(--radius);
  cursor:pointer;
}
.btn-secondary:hover{ background:var(--panel); }

.error-msg{ color:var(--accent); font-size:12.5px; margin-top:10px; }
.success-msg{ color:#2a7a3b; font-size:12.5px; margin-top:10px; }

.locked-panel{
  text-align:center;
  padding:64px 20px;
  color:var(--text-faint);
  border:1px dashed var(--border);
  border-radius:var(--radius);
  background:var(--card);
}
.locked-panel .lock-icon{ font-size:24px; margin-bottom:12px; }
.locked-panel .lock-title{ color:var(--text); font-weight:700; font-size:14px; margin-bottom:4px; }
.locked-panel .lock-sub{ font-size:12.5px; }

.submission-summary{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  font-size:13px;
  color:var(--text-dim);
  margin-top:16px;
}
.submission-summary div{ margin-bottom:5px; word-break:break-all; }
.submission-summary b{ color:var(--text); }

.certified{
  text-align:center;
  padding:56px 20px;
}
.certified .stamp{
  display:inline-block;
  border:2px solid var(--text);
  color:var(--text);
  padding:11px 24px;
  border-radius:var(--radius);
  font-weight:800;
  letter-spacing:.06em;
  margin-bottom:18px;
}

.divider{ height:1px; background:var(--border); margin:24px 0; }

.divider-or{
  display:flex; align-items:center; gap:12px;
  color:var(--text-faint); font-size:12px; font-weight:600;
  text-transform:uppercase; letter-spacing:.04em;
  margin:20px 0;
}
.divider-or::before, .divider-or::after{ content:""; flex:1; height:1px; background:var(--border); }

.google-btn-slot{ display:flex; justify-content:center; min-height:44px; }

.toast{
  position:fixed;
  bottom:24px;
  left:50%;
  transform:translateX(-50%) translateY(20px);
  background:var(--text);
  border:none;
  color:#fff;
  padding:11px 18px;
  border-radius:var(--radius);
  font-size:13px;
  font-weight:600;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease, transform .2s ease;
  z-index:50;
}
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

/* ---------- mobile nav ---------- */
.topbar a, .topbar button, .brand-name, .topnav-link, .progress-pill{ white-space:nowrap; }
@media (max-width: 720px){
  .topbar{ gap:14px; padding:0 14px; }
  .brand-name{ display:none; }
  .topnav{ gap:16px; }
  .progress-pill{ display:none; }
  .topbar-right{ margin-left:auto; gap:8px; }
  .rail-head, .rail-foot{ display:none; }
  .stepper{ flex-direction:row; overflow-x:auto; }
  .step{ border-top:none; border-right:1px solid var(--border); flex:none; padding:10px 14px; }
  .step.current, .step.previewing{ box-shadow: inset 0 -3px 0 var(--accent); }
  .main{ padding:20px 16px; }
}
.main{ min-width:0; }
@media (max-width: 720px){
  .auth-form{ flex:1 1 100%; min-width:0; padding:24px 16px; }
  .card{ padding:20px 16px; }
  .level-strip{ overflow-x:auto; grid-template-columns:repeat(7, 96px); }
}
@media (max-width: 860px){ .shell{ grid-template-columns:minmax(0,1fr); } }
@media (max-width: 720px){
  body.logged-out .rail{ display:none; }
  .auth-form{ padding:16px 16px 24px; }
  .auth-form h1.page-title{ font-size:24px; margin-bottom:4px; }
  .auth-form .page-desc{ margin-bottom:14px; font-size:13px; }
  .auth-form .card{ padding:16px; margin-bottom:10px; }
  .auth-form .field{ margin-bottom:12px; }
  .auth-form .field label{ margin-bottom:5px; }
  .auth-form .field-hint{ margin-top:4px; }
  .auth-form .divider-or{ margin:12px 0; }
}

.badge-rewarded{ background:var(--accent); color:#fff; border:1px solid transparent; }
.step.done .step-sub{ text-transform:uppercase; }

.step-reward{ font-size:10.5px; font-weight:700; margin-top:3px; text-transform:uppercase; letter-spacing:.03em; color:var(--amber); }
.step-reward.given{ color:var(--accent); }
.level-tile-reward{ font-size:10.5px; font-weight:700; margin-top:3px; color:var(--amber); text-transform:uppercase; }
.level-tile-reward.given{ color:var(--accent); }

.pw-wrap{ position:relative; }
.pw-wrap input{ padding-right:44px; }
.pw-eye{ position:absolute; right:0; top:0; height:100%; width:42px; background:transparent; border:none; color:var(--text-dim); cursor:pointer; display:grid; place-items:center; }
.pw-eye:hover{ color:var(--accent); }
.field input[type=number], .field input[type=file]{ width:100%; background:var(--panel); border:1px solid color-mix(in srgb, var(--text) 40%, transparent); color:var(--text); font-family:var(--sans); font-size:13.5px; padding:10px 12px; min-height:40px; border-radius:var(--radius); }